Finding the Third Proportional to 8,407,128 and 13,044,412

Step by Step Solution

1. Step 1: Write the proportion equation
   8,407,128 : 13,044,412 = 13,044,412 : x
2. Step 2: Convert to fraction form
   8,407,128/13,044,412 = 13,044,412/x
3. Step 3: Cross multiply
   8,407,128x = 13,044,412 × 13,044,412
4. Step 4: Simplify right side
   8,407,128x = 170,156,684,425,744
5. Step 5: Solve for x
   x = 170,156,684,425,744/8,407,128
6. Step 6: Final answer
   x = 20,239,573.42